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An Underwater Revolution Millions of Years Ago Rewrote The Script of The Ocean – ScienceAlert

Look far enough back in time, and a pattern may emerge. After studying thousands of ancient fossils, paleontologist Jack Sepkoski identified just such a thing in…

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Look far enough back in time, and a pattern may emerge. After studying thousands of ancient fossils, paleontologist Jack Sepkoski identified just such a thing in 1981: an epic sequence of life and death, etched into the skeletons of the last 500 million years.
The late Sepkoski, a professor at the University of Chicago, discovered what became known as the three great evolutionary faunas of marine animals a trio of successive explosions in biodiversity in the ocean over the course of the Phanerozoic…

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